NDLI: A deeper insight into the application of the enlargement law to HVDC cable lines

Content Provider	IEEE Xplore Digital Library
Author	Marzinotto, M. Mazzanti, G.
Copyright Year	2011
Description	Author affiliation: Dept. of Electr. Eng., Univ. of Bologna, Bologna, Italy (Mazzanti, G.) \|\| TERNA, Roma, Italy (Marzinotto, M.)
Abstract	In this paper the innovative theoretical approach to the enlargement law for HVDC cables previously developed by the authors is investigated in more detail, by evaluating the role played by the main quantities that appear in the enlargement law. Firstly, the paper studies the effect of the Weibull shape parameter and of conductor temperature on the reduction of breakdown voltage with cable length in the enlargement from test to power HVDC cables by considering quantities related to typical extruded compounds for DC applications, thereby demonstrating a major role played not only by Weibull shape parameter, but also by volume electrical resistivity of the insulation, hence by the different compounds. Secondly, the behaviour of the cumbersome function $H_{DC}$ appearing in the enlargement formula for HVDC cables is analyzed via the Monte Carlo method and approximate expressions for $H_{DC}$ are proposed that are useful for insulation coordination and design.
Sponsorship	DEI
Starting Page	505
Ending Page	509
File Size	603350
Page Count	5
File Format	PDF
ISBN	9781457709852
ISSN	00849162
e-ISBN	9781457709869
DOI	10.1109/CEIDP.2011.6232705
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2011-10-16
Publisher Place	Mexico
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Power cables Compounds HVDC transmission Conductors Power cable insulation
Content Type	Text
Resource Type	Article

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1	Ministry of Education (GoI), Department of Higher Education	Sanctioning Authority	https://www.education.gov.in/ict-initiatives
2	Indian Institute of Technology Kharagpur	Host Institute of the Project: The host institute of the project is responsible for providing infrastructure support and hosting the project	https://www.iitkgp.ac.in
3	National Digital Library of India Office, Indian Institute of Technology Kharagpur	The administrative and infrastructural headquarters of the project	Dr. B. Sutradhar bsutra@ndl.gov.in
4	Project PI / Joint PI	Principal Investigator and Joint Principal Investigators of the project	Dr. B. Sutradhar bsutra@ndl.gov.in Prof. Saswat Chakrabarti will be added soon
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